/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MovieGraphDefaultRenderer.h
[FInstancePtr](API\Plugins\MovieRenderPipelineCore\Graph\FSurfaceAccumulatorPool\FInstancePtr) BlockAndGetAccumulator_GameThread ( int32 InFrameNumber, const [FMovieGraphRenderDataIdentifier](API\Plugins\MovieRenderPipelineCore\Graph\FMovieGraphRenderDataIdentifier) & InPassIdentifier )